the former obama administration consumer advocate, is trying to win back the seat republican scott brown won in 2010. polls show warren up by four. polls many virginia have the democrat, former governor tim kaine leading george allen by just two points. with races all tied up many places like nevada, arizona, montana, north dakota, wisconsin, and connecticut, it could be a nail-biter on tuesday night. now, democrats say they are cautiously optimistic about their prospects. while a republican official said recently romney has to win for us to win the senate. radi. >> thank you very much. >>> now back to the presidential race. it is a full court press for the swing states. next hour, we'll take you to the heart of the smallest battleground and see how just a few electoral votes can have a very big impact. i gave birth to my daughter on may 18th, five days later, i had a massive heart attack. bayer aspirin was the first thing the emts gave me. now, i'm on a bayer aspirin regimen. [ male announcer ] be sure to talk to your doctor before you begin an aspirin regimen. [ woman ] learn from my s